|Rank|Nation|Gold|Silver|Bronze|Total|
|---|---|---|---|---|---|
|1|Chinese Taipei (TPE)|2|0|0|2|
|1|Russia (RUS)|2|0|0|2|
|3|Great Britain (GBR)|1|0|0|1|
|4|Slovakia (SVK)|0|2|2|4|
|5|China (CHN)|0|2|1|3|
|6|Mexico (MEX)|0|1|1|2|
|7|Germany (GER)|0|0|2|2|
|8|South Korea (KOR)|0|0|1|1|
|8|Switzerland (SUI)|0|0|1|1|
|8|Thailand (THA)|0|0|1|1|
|8|Uzbekistan (UZB)|0|0|1|1|

Question: how many countries have at least one gold medal?
Answer: 3